DXF entities geometry collection, null value?

[qgib]

Author Name: SC SC (SC SC)
Original Redmine Issue: 10485
Affected QGIS version: 2.2.0
Redmine category:data_provider/ogr
Assignee: Even Rouault

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when i import certain dxf files (all dxf of italian cadastral agency), it give entities Point, entities Linestring and entities GeometryCollection , but this last not show nothing on qgis only attibute table has something

Geometry Collections is not supported?

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• G267_0072C0.DXF (SC SC)

[qgib]

Author Name: Even Rouault (@rouault)

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I've committed an improvement in GDAL per https://trac.osgeo.org/gdal/changeset/35630 (will be in GDAL 2.2) to transform GeometryCollections to MultiPoint, MultiLineString, MultiPolygon when possible. On this dataset, this reduces the number of real GeometryCollection to 3.

It is also possible to define the DXF_MERGE_BLOCK_GEOMETRIES=FALSE environment variable so that GDAL doesn't try to create GeometryCollections when resolving DXF blocks. But of course you'll get somehow "artifical" objects.

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• resolution was changed from to up/downstream
• assigned_to_id was configured as Even Rouault
• status_id was changed from Open to Closed